diff --git a/appveyor.yml b/appveyor.yml
new file mode 100644
index 0000000..afce8b7
--- /dev/null
+++ b/appveyor.yml
@@ -0,0 +1,34 @@
+branches:
+  only:
+    - master
+
+notifications:
+  - provider: Email
+    on_build_success: false
+    on_build_failure: false
+    on_build_status_changed: false
+
+build_script:
+  - ps: if ($env:APPVEYOR_PULL_REQUEST_NUMBER -and $env:APPVEYOR_BUILD_NUMBER -ne ((Invoke-RestMethod ` 
+      https://ci.appveyor.com/api/projects/$env:APPVEYOR_ACCOUNT_NAME/$env:APPVEYOR_PROJECT_SLUG/history?recordsNumber=50).builds | ` 
+      Where-Object pullRequestId -eq $env:APPVEYOR_PULL_REQUEST_NUMBER)[0].buildNumber) { ` 
+      throw "There are newer queued builds for this pull request, failing early." } 
+  - mkdir msvc_static
+  - cd msvc_static
+  - cmake ..
+  - cmake --build .
+  - mkdir ..\msvc_shared
+  - cd ..\msvc_shared
+  - cmake .. -DBUILD_SHARED_LIBS=ON
+  - cmake --build .
+  - C:\MinGW\msys\1.0\bin\sh --login -c "
+      cd /c/projects/utf8proc;
+      mkdir mingw_static;
+      cd mingw_static;
+      cmake .. -DCMAKE_VERBOSE_MAKEFILE=ON -G'MSYS Makefiles';
+      make;
+      mkdir ../mingw_shared;
+      cd ../mingw_shared;
+      cmake .. -DCMAKE_VERBOSE_MAKEFILE=ON -DBUILD_SHARED_LIBS=ON -G'MSYS Makefiles';
+      make
+      "